| Pleasant Prairie to Smolyan | 5,271.67 mi (8,483.93 km) |
| Pleasant Prairie to Sofia | 5,167.48 mi (8,316.25 km) |
| Pleasant Prairie to Sopot | 5,220.93 mi (8,402.27 km) |
| Pleasant Prairie to Sozopol | 5,336.50 mi (8,588.27 km) |
| Pleasant Prairie to Sredets | 5,322.43 mi (8,565.63 km) |
| Pleasant Prairie to Stamboliyski | 5,238.57 mi (8,430.66 km) |
| Pleasant Prairie to Stara Zagora | 5,263.66 mi (8,471.05 km) |
| Pleasant Prairie to Svilengrad | 5,316.40 mi (8,555.93 km) |
| Pleasant Prairie to Svishtov | 5,194.54 mi (8,359.81 km) |
| Pleasant Prairie to Targovishte | 5,255.79 mi (8,458.38 km) |
| Pleasant Prairie to Teteven | 5,190.59 mi (8,353.44 km) |
| Pleasant Prairie to Troyan | 5,208.27 mi (8,381.91 km) |
| Pleasant Prairie to Tryavna | 5,236.86 mi (8,427.92 km) |
| Pleasant Prairie to Tutrakan | 5,217.04 mi (8,396.01 km) |
| Pleasant Prairie to Varna | 5,303.54 mi (8,535.22 km) |
